Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Graph of exhaust valve temperatures versus specific fuel consumption for two different cylinder heads.

Identifier  ExFiles\Box 106\5\  scan0175
Date  3rd November 1938
  
C15 UNIT
EXHAUST VALVE TEMPERATURES, AT 4000 RPM FULL THROTTLE
① CYLINDER HEAD LEC 5222
② STANDARD CYLINDER HEAD
BOTH CURVES ARE FOR No 5 CYLINDER EXHAUST VALVE
NO EXHAUST MANIFOLD, NO DOWNTAKE PIPE
OTHERWISE AS B.V. 97.
EXHAUST VALVE TEMPERATURE (DEGREES C)
SPECIFIC FUEL CONSUMPTION (PTS/BHP/HR)
BV 98
MMHS
3.11.38
  
  


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